[INFO] crate rkm 0.8.0 is already in cache
[INFO] extracting crate rkm 0.8.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rkm/0.8.0
[INFO] extracting crate rkm 0.8.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rkm/0.8.0
[INFO] validating manifest of rkm-0.8.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rkm-0.8.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rkm-0.8.0
[INFO] finished frobbing rkm-0.8.0
[INFO] frobbed toml for rkm-0.8.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rkm/0.8.0/Cargo.toml
[INFO] started frobbing rkm-0.8.0
[INFO] finished frobbing rkm-0.8.0
[INFO] frobbed toml for rkm-0.8.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rkm/0.8.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rkm-0.8.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rkm/0.8.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 66b66fa3c3a789b83d22027f20b780ea6cd1462f87e3ad0c2fa11a03875f6f9d
[INFO] running `"docker" "start" "-a" "66b66fa3c3a789b83d22027f20b780ea6cd1462f87e3ad0c2fa11a03875f6f9d"`
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling bstr v0.2.7
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling rkm v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'ndarray::impl_methods::<impl ndarray::ArrayBase<S, D>>::subview_mut': renamed to `index_axis_mut`
[INFO] [stderr]    --> src/lib.rs:237:51
[INFO] [stderr]     |
[INFO] [stderr] 237 |                 let mut mean = cumulative_means.0.subview_mut(Axis(0), *point.0);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.62s
[INFO] running `"docker" "inspect" "66b66fa3c3a789b83d22027f20b780ea6cd1462f87e3ad0c2fa11a03875f6f9d"`
[INFO] running `"docker" "rm" "-f" "66b66fa3c3a789b83d22027f20b780ea6cd1462f87e3ad0c2fa11a03875f6f9d"`
[INFO] [stdout] 66b66fa3c3a789b83d22027f20b780ea6cd1462f87e3ad0c2fa11a03875f6f9d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rkm/0.8.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 334d46b7474611a3b9f8181a7538defd14058ffd8df11982683e037663e0d9cf
[INFO] running `"docker" "start" "-a" "334d46b7474611a3b9f8181a7538defd14058ffd8df11982683e037663e0d9cf"`
[INFO] [stderr]    Compiling rkm v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'ndarray::impl_methods::<impl ndarray::ArrayBase<S, D>>::subview_mut': renamed to `index_axis_mut`
[INFO] [stderr]    --> src/lib.rs:237:51
[INFO] [stderr]     |
[INFO] [stderr] 237 |                 let mut mean = cumulative_means.0.subview_mut(Axis(0), *point.0);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `"docker" "inspect" "334d46b7474611a3b9f8181a7538defd14058ffd8df11982683e037663e0d9cf"`
[INFO] running `"docker" "rm" "-f" "334d46b7474611a3b9f8181a7538defd14058ffd8df11982683e037663e0d9cf"`
[INFO] [stdout] 334d46b7474611a3b9f8181a7538defd14058ffd8df11982683e037663e0d9cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rkm/0.8.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d99f7adfc38a4e140800088093b95fc0eb9b2da808e424de8bb32f11b560c691
[INFO] running `"docker" "start" "-a" "d99f7adfc38a4e140800088093b95fc0eb9b2da808e424de8bb32f11b560c691"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rkm-dbddeb10020b7741
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_closest_mean ... ok
[INFO] [stdout] test tests::test_calculate_means ... ok
[INFO] [stdout] test tests::test_distance ... ok
[INFO] [stdout] test tests::test_small_kmeans ... ok
[INFO] [stdout] test tests::test_closest_distances ... ok
[INFO] [stdout] test tests::test_min_k ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rkm_example-e043b25ef682af71
[INFO] [stderr]    Doc-tests rkm
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d99f7adfc38a4e140800088093b95fc0eb9b2da808e424de8bb32f11b560c691"`
[INFO] running `"docker" "rm" "-f" "d99f7adfc38a4e140800088093b95fc0eb9b2da808e424de8bb32f11b560c691"`
[INFO] [stdout] d99f7adfc38a4e140800088093b95fc0eb9b2da808e424de8bb32f11b560c691